<template>
    <div class="seller" ref="seller">
        <div class="seller-content">
            <!-- 商家名称 -->
            <div class="overview">
                <h1 class="title">{{seller.name}}</h1>
                <div class="desc border-1px">
                    <star :size="36" :score="seller.score"></star>
                    <span class="text">({{seller.ratingCount}})</span>
                    <span class="text">月售{{seller.sellCount}}单</span>
                </div>
                <!-- remark起送价 -->
                <ul class="remark">
                    <li class="block">
                        <h2>起送价</h2>
                        <div class="content">
                            <span class="stress">{{seller.minPrice}}元</span>
                        </div>
                    </li>
                    <li class="block">
                        <h2>商家配送</h2>
                        <div class="content">
                            <span class="stress">{{seller.deliveryPrice}}元</span>
                        </div>
                    </li>
                    <li class="block">
                        <h2>平均配送时间</h2>
                        <div class="content">
                            <span class="stress">{{seller.deliveryTime}}分钟</span>
                        </div>
                    </li>
                </ul>
                <!--商家收藏-->
                <div class="favorite" @click="toggleFavorite">
                    <span class="icon-favorite" :class="{'active':favorite}"></span>
                    <span class="text">{{favoriteText}}</span>
                </div>
            </div>
            <!-- 分割 -->
            <split></split>
            <!-- bulletin商家公告与活动 -->
            <div class="bulletin">
                <h1 class="title">公告与活动</h1>
                <div class="content-wrapper border-1px">
                    <p class="content">{{seller.bulletin}}</p>
                </div>
                <!-- supports支持活动方式 -->
                <ul class="supports" v-if="seller.supports">
                    <li v-for="item in seller.supports" class="support-item border-1px">
                        <span class="icon" :class="classMap[item.type]"></span>
                        <span class="text">{{item.description}}</span>
                    </li>
                </ul>
            </div>
            <split></split>
            <div class="pics">
                <h1 class="title">商家实景</h1>
                <div class="pic-wrapper" ref="picWrapper">
                    <ul class="pic-list" ref="picList">
                        <li class="pic-item " v-for="pic in seller.pics">
                            <img :src="pic" width="120" height="90">
                        </li>
                    </ul>
                </div>
            </div>
            <split></split>
            <div class="info">
                <h1 class="title">商家信息</h1>
                <ul>
                    <li class="info-item border-1px" v-for="info in seller.infos">{{info}}</li>
                </ul>
            </div>
        </div>
    </div>
</template>
<script>
import star from '../star/star.vue';
import split from '../split/split';
import BScroll from 'better-scroll';
import { saveToLocal, loadFromLocal } from './../../common/js/store';
export default {
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            favorite: (() => {
                return loadFromLocal(this.seller.id, 'favorite', false);
            })()
        };
    },
    created() {
        this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee'];
    },
    computed: {
        favoriteText() {
            return this.favorite ? '已收藏' : '收藏';
        }
    },
    watch: {
        'seller'() {
            this._initScroll();
            this._initPics();
        }
    },
    mounted() {
        this._initScroll();
        this._initPics();
    },
    methods: {
        toggleFavorite(event) {
            if (!event._constructed) {
                return;
            }
            this.favorite = !this.favorite;
            saveToLocal(this.seller.id, 'favorite',
                this.favorite);
        },
        _initScroll() {
            if (!this.scroll) {
                this.scroll = new BScroll(this.$refs.seller, {
                    click: true
                });
            } else {
                this.scroll.refresh();
            }
        },
        _initPics() {
            if (this.seller.pics) {
                //设置ul宽度，使其大于视口宽度
                let picWidth = 120;
                let margin = 6;
                let width = (picWidth + margin) * this.seller.pics.length - margin;
                this.$refs.picList.style.width = width + 'px';
                this.$nextTick(() => {
                    if (!this.picScroll) {
                        this.picScroll = new BScroll(this.$refs.picWrapper, {
                            scrollX: true,
                            eventPassthrough: 'vertical'
                            // 横向滚动，忽略纵向滚动
                        });
                    } else {
                        this.picScroll.refresh();
                    }
                });
            }
        }
    },
    components: {
        star,
        split
    }
};
</script>   
<style lang="stylus" rel="stylesheet/stylus">
@import "../../common/stylus/mixin";
.seller 
    position:absolute 
    top:174px 
    bottom: 0 
    left:0 
    width:100% 
    overflow:hidden
    .overview
        position :relative
        padding:18px
        .title
            margin-bottom:8px
            line-height:14px
            color:rgb(7,17,27)
            font-size:14px
        .desc
            padding-bottom:18px
            border-1px(rgba(7,17,27,0.1))
            font-size:0
            .star
                display:inline-block
                margin-right:8px
                vertical-align:top
            .text
                margin-right:12px
                display:inline-block
                vertical-align:top
                font-size:10px
                color:rgb(77,85,93)
        .remark
            display:flex
            padding-top:18px
            .block
                flex:1
                text-align:center
                border-right:1px solid rgba(7,17,27,0.1)
                &:last-child
                    border:none 
                h2
                    margin-bottom:8px
                    line-height:10px
                    font-size:10px
                    color:rgb(147,153,159) 
                .content
                    line-height:24px
                    font-size:10px
                    color:rgb(7,17,27)
                    .stress
                         font-size:24px
        .favorite
            position :absolute
            width:50px
            right:5px
            top:18px
            text-align:center
            .icon-favorite
                display:block
                color:#d4d6d9
                line-height:24px
                font-size:24px
                &.active
                    color:rgb(240,20,20)
            .text
                line-height:10px
                font-size:10px
                color:rgb(77,85,93)
    .bulletin  
        padding:18px 18px  0 18px
        .title
            margin-bottom:8px
            line-height:14px
            color:rgb(7,17,27)
            font-size:14px
        .content-wrapper
            padding:0 12px 16px 12px
            border-1px(rgba(7,17,27,0.1)) 
            .content
                line-height:24px
                font-size:12px
                color:rgb(240,20,20)    
        .supports
            .support-item
                padding:16px 12px
                border-1px(rgba(7,17,27,0.1))
                font-size:0
                &:last-child
                    border-none()
            .icon
                display: inline-block
                width: 16px
                height: 16px
                vertical-align:top
                margin-right: 6px
                background-size: 16px 16px
                background-repeat: no-repeat
                &.decrease
                    bg-image('decrease_4')
                &.discount
                    bg-image('discount_4')
                &.guarantee
                    bg-image('guarantee_4')
                &.invoice
                    bg-image('invoice_4')
                &.special
                    bg-image('special_4')
            .text
                line-height:16px
                font-size: 12px
                color: rgb(7, 17, 27)
    .pics
        padding:18px
        .title
            margin-bottom:12px
            line-height:14px
            color:rgb(7,17,27)
            font-size:14px
        .pic-wrapper
            width:100%
            overflow:hidden
            white-space:nowrap
            .pic-list
                font-size:0
                .pic-item
                    display :inline-block
                    margin-right:6px
                    width:120px
                    height:90px
                    &:last-child
                        margin:0
    .info
        padding:18px 18px 0 18px
        color:rgb(7,17,27)
        .title
            padding-bottom:12px
            line-height:14px
            border-1px(rgba(7,17,27,0.1))
            font-size:14px
        .info-item
            padding:16px 12px
            line-height:16px
            border-1px(rgba(7,17,27,0.1))
            font-size:12px
            &:last-child
                border-none()

</style>